the memory foam massage pillow is made of 100% moulding memory foam. Temperature and weight-sensitive material molds to your exact body shape, reverses to flat surface. The roughness adjusting, air ionization refreshing powers, stimulate blood. circulation, improve metabolism and reduce fatigue inside the body. Adjust its height to fill in the space between your head and shoulder while sleeping on. your side, and comfortably support your neck so that it is in line with your spine.. Each one piece packed by PVC bag or Color box, and lots of loaded in the standard export carton. Machine washable terry/velour cover wt zipper.